Fish in mind: 4 inch powder blue tang. At the fish store some are colorful while some are drab/more dull looking.
Is it risky to pick a colorful one that could be subject to cyanide posioning? Will a drab looking one gain color eventually?
Thanks for you advice!

I am puzzled by this medium size Maroon Clown. She's healthy and has been in my 180 gal "fish only" tank for 2 months. There's another much smaller Maroon in the same tank but she rarely pays attention to him. She would peck on him a bit when they meet ocassionally( They hang out separately)...

I stopped feeding nori for a while because it falls apart easily, floats aroud, gets sucked into filters and could affect the water quality.
One day I was eating Vietnamese egg rolls that were served with lettuce leaves it gave me an idea: thus "wrapped nori" was born, lol! I can't say it's my...

*********** calls this Red Gracilaria Feeding algae. I planned to put it in my refugium which has a little higher flow than medium. Upon receiving it seems like it would fall apart easily. Most of it is in 3-4 clumps. Is it a good idea to use it? May be put it in a plastic cage first?